Yealink SIP-T2 SERIES Administrator's Manual page 483

Parameters
Menu->Advanced (default password: admin) ->VC Accounts->SIP IP Call->DTMF
Payload Type
account.X.dtmf.info_type
Description:
Configures the DTMF info type for account X.
1-DTMF-Relay
2-DTMF
3-Telephone-Event
X ranges from 1 to 16 (for SIP VP-T49G/SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860)
Note: It works only if the value of parameter ―account.X.dtmf.type‖ is set to 2 (SIP
INFO) or 3 (RFC2833 + SIP INFO).
Web User Interface:
Account->Advanced->DTMF Info Type
Phone User Interface:
None
account.17.dtmf.info_type
Description:
Configures the DTMF info type for IP call.
1-DTMF-Relay
2-DTMF
3-Telephone-Event
Note: It works only if the value of parameter ―account.X.dtmf.type‖ is set to 2 (SIP
INFO) or 3 (RFC2833 + SIP INFO). It is only applicable to SIP VP-T49G IP phones.
Web User Interface:
Account->SIP IP Call->DTMF Info Type
Phone User Interface:
Menu->Advanced (default password: admin) ->VC Accounts->SIP IP Call->DTMF
Info Type
Configuring Basic Features
Permitted Values Default
1, 2 or 3
1, 2 or 3
1
1
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